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From John Alessi <j...@socketlabs.com>
Subject Re: Issue with TimeUUID
Date Fri, 19 Mar 2010 16:16:25 GMT
Yes, I tried that but then the date does not sort correctly.
--
John Alessi
SocketLabs, Inc.
484-418-1282


On Mar 19, 2010, at 12:12 PM, Jesse McConnell wrote:

> alternately try using LexicalUUIDType, that seems to work
> 
> jesse
> 
> --
> jesse mcconnell
> jesse.mcconnell@gmail.com
> 
> 
> 
> On Fri, Mar 19, 2010 at 11:00, Sylvain Lebresne <sylvain@yakaz.com> wrote:
>> As said, I agree with that.
>> I've thus created a jira issue
>> (https://issues.apache.org/jira/browse/CASSANDRA-907).
>> The discussion could continue there.
>> 
>> On Fri, Mar 19, 2010 at 4:30 PM, Jesse McConnell
>> <jesse.mcconnell@gmail.com> wrote:
>>> imo it is a terrible bug..
>>> 
>>> the usage of a TimeUUIDType implies that your actually caring about
>>> the unique bits outside of a timestamp...
>>> 
>>> currently it's nothing more then LongType ColumnFamily backed by
>>> System.currentTimeInMillis() as a source for name columns.
>>> 
>>> jesse
>>> 
>>> --
>>> jesse mcconnell
>>> jesse.mcconnell@gmail.com
>>> 
>>> 
>>> 
>>> On Fri, Mar 19, 2010 at 04:53, Sylvain Lebresne <sylvain@yakaz.com> wrote:
>>>> Just looked at the code and it indeed just compare the
>>>> timestamps. I also find it weird and I would be for changing it,
>>>> but maybe there was a good reason to do it the way it is (even
>>>> if I don't see one right now). I'll let people give their opinion on
>>>> that.
>>>> 
>>>> In the meantime, if you need a quick fix for testing, I join you
>>>> a two line patch that should fix it.
>>>> 
>>>> --
>>>> Sylvain
>>>> 
>>>> On Fri, Mar 19, 2010 at 1:25 AM, John Alessi <john@socketlabs.com>
wrote:
>>>>> But they are different names.  In my example they are:
>>>>> 1077e700-c7f2-11de-86d5-f5bcc793a028
>>>>> 1077e700-c7f2-11de-982e-6fad363d5f29
>>>>> But Cassandra sees them as the same.
>>>>> --
>>>>> John
>>>>> 
>>>>> 
>>>>> 
>>>>> On Mar 18, 2010, at 7:17 PM, Brandon Williams wrote:
>>>>> 
>>>>> On Thu, Mar 18, 2010 at 6:12 PM, John Alessi <john@socketlabs.com>
wrote:
>>>>>> 
>>>>>> I am having an issue where Cassandra doesn't seem to be able to
>>>>>> distinguish between 2 different UUIDs if based on the same exact
time, and
>>>>>> sorting by TimeUUID.
>>>>> 
>>>>> *snip*
>>>>>> 
>>>>>> Cassandra doesn't seem to be able to distinguish between 2 different
UUIDs
>>>>>> if based on the same exact time, and sorting by TimeUUID.
>>>>>> 
>>>>>> What am I missing???
>>>>> 
>>>>> Column names must be distinct.  If you insert two columns with the same
>>>>> name, one overwrites the other.
>>>>> -Brandon
>>>>> 
>>>>> 
>>>> 
>>> 
>> 


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